Description：Izumi Masamune (voiced by Yoshitsugu Matsuoka) is a writer who focuses on writing light novels. He once won the Rookie Award and embarked on the road of writing. Not long ago, Masamune began living with his non-blood-related sister Izumi Sagiri (voiced by Akane Fujita). Although they lived under the same roof, Masamune hardly ever saw Sagiri at home, because Sagiri was a super otaku who only stayed in her room and would never come out. The illustrator responsible for drawing illustrations for Masamune's novels was an illustrator named "Erotic Manga Sensei". Masamune was deeply impressed by his superb painting skills. However, the erotic manga teacher had never shown his true identity to others. Masamune had many speculations about his true face hidden behind the Internet. However, what Masamune did not expect was that the true identity of this illustrator was